Eco Lighting NY LED MR16 12V - 7 Watt Equivalent (50W) Dimmable GU5.3 Base 40 Degree PAR Flood Light Bulb (Daylight 5000k) Super bright: brightest standard size MR16 bulb: 500Lumen, equivalent to 50W halogen MR16 bulb (only Standard size: 50*52 mm, perfect replacement for traditional MR16/GU5.3 base halogen light bulb as Thermoplastic material: light-weighted insulating plastic body, higher thermal radiation ratio, eros Cooling effect: excellent at thermal degradation with uniquely designed prismatic grooves and ventil User-friendly pins: won't fail even under excessive force